Revert 28422

runtime/bin/vmservice/client/packages/observatory/src/observatory/location_manager.dart

Index: runtime/bin/vmservice/client/packages/observatory/src/observatory/location_manager.dart
diff --git a/runtime/bin/vmservice/client/packages/observatory/src/observatory/location_manager.dart b/runtime/bin/vmservice/client/packages/observatory/src/observatory/location_manager.dart
deleted file mode 100644
index f9272e3b1628b67d9b7963fde970c50934b02b00..0000000000000000000000000000000000000000
--- a/runtime/bin/vmservice/client/packages/observatory/src/observatory/location_manager.dart
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-part of observatory;
-
-/// The LocationManager class observes and parses the hash ('#') portion of the
-/// URL in window.location. The text after the '#' is used as the request
-/// string for the VM service.
-class LocationManager extends Object with ChangeNotifierMixin {
-  static const int InvalidIsolateId = 0;
-  static const String defaultHash = '#/isolates/';
-  static final RegExp currentIsolateMatcher = new RegExp(r"#/isolates/\d+/");
-
-  ObservatoryApplication _application;
-  ObservatoryApplication get application => _application;
-
-  @observable String get currentHash => __$currentHash; String __$currentHash = ''; set currentHash(String value) { __$currentHash = notifyPropertyChange(#currentHash, __$currentHash, value); }
-
-  void init() {
-    window.onHashChange.listen((event) {
-      if (setDefaultHash()) {
-        // We just triggered another onHashChange event.
-        return;
-      }
-      // Request the current anchor.
-      requestCurrentHash();
-    });
-
-    if (!setDefaultHash()) {
-      // An anchor was already present, trigger a request.
-      requestCurrentHash();
-    }
-  }
-
-  /// Returns the current isolate prefix, i.e. '#/isolates/XX/' if one
-  /// is present and null otherwise.
-  String currentIsolateAnchorPrefix() {
-    Match m = currentIsolateMatcher.matchAsPrefix(currentHash);
-    if (m == null) {
-      return null;
-    }
-    return m.input.substring(m.start, m.end);
-  }
-
-  /// Predicate, does the current URL have a current isolate ID in it?
-  bool get hasCurrentIsolate {
-    return currentIsolateAnchorPrefix() != null;
-  }
-
-  /// Extract the current isolate id as an integer. Returns [InvalidIsolateId]
-  /// if none is present in window.location.
-  int currentIsolateId() {
-    String isolatePrefix = currentIsolateAnchorPrefix();
-    if (isolatePrefix == null) {
-      return InvalidIsolateId;
-    }
-    String id = isolatePrefix.split("/")[2];
-    return int.parse(id);
-  }
-
-  /// If no anchor is set, set the default anchor and return true.
-  /// Return false otherwise.
-  bool setDefaultHash() {
-    currentHash = window.location.hash;
-    if (currentHash == '' || currentHash == '#') {
-      window.location.hash = defaultHash;
-      return true;
-    }
-    return false;
-  }
-
-  /// Take the current request string from window.location and submit the
-  /// request to the request manager.
-  void requestCurrentHash() {
-    currentHash = window.location.hash;
-    // Chomp off the #
-    String requestUrl = currentHash.substring(1);
-    application.requestManager.get(requestUrl);
-  }
-
-  /// Create a request for [l] on the current isolate.
-  String currentIsolateRelativeLink(String l) {
-    var isolateId = currentIsolateId();
-    if (isolateId == LocationManager.InvalidIsolateId) {
-      return defaultHash;
-    }
-    return relativeLink(isolateId, l);
-  }
-
-  /// Create a request for [objectId] on the current isolate.
-  String currentIsolateObjectLink(int objectId) {
-    var isolateId = currentIsolateId();
-    if (isolateId == LocationManager.InvalidIsolateId) {
-      return defaultHash;
-    }
-    return objectLink(isolateId, objectId);
-  }
-
-  /// Create a request for [cid] on the current isolate.
-  String currentIsolateClassLink(int cid) {
-    var isolateId = currentIsolateId();
-    if (isolateId == LocationManager.InvalidIsolateId) {
-      return defaultHash;
-    }
-    return classLink(isolateId, cid);
-  }
-
-  /// Create a request for [l] on [isolateId].
-  String relativeLink(int isolateId, String l) {
-    return '#/isolates/$isolateId/$l';
-  }
-
-  /// Create a request for [objectId] on [isolateId].
-  String objectLink(int isolateId, int objectId) {
-    return '#/isolates/$isolateId/objects/$objectId';
-  }
-
-  /// Create a request for [cid] on [isolateId].
-  String classLink(int isolateId, int cid) {
-    return '#/isolates/$isolateId/classes/$cid';
-  }
-}